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French Navy - Marine Nationale Commandant Rivière class Frigate Aviso escorteur |
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| 04/22 | |||||||||
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F 725 FS Victor Schoelcher (1962-88) F 726 FS Commandant Bory (1964-96) F 727 FS Amiral Charner (1962-91) F 728 FS Doudart de Lagree (1963-91) F 729 FS Balny (1970-94) F 733 FS Commandant Riviere (1962-92) F 740 FS Commandant Bourdais (1963-90) F 748 FS Protet (1964-92) F 749 FS Enseigne de Vaisseau Henry (1965-94) |
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Builder: Arsenal de Lorient, Brittany, France Displacement: 1750 tons (standard) / 2230 tons (full load) Length: 103 m (337 feet 11 inches) Beam: 11.5 m (37 ft 9 in) Draft: 4.3 m (14 ft 1 in) Speed: 25 knots (46 km/h) Range: 7500 nmi (13900 km) at 16 knots (30 km/h) Complement: 214 (original) / 169 (later) Propulsion: 4 x SEMT Pielstick PC12 diesel engines 12,000 kW (16,000 bhp) 2 shafts / 2 propellers Armament: 3 x GIAT Model 53 100mm gun (1 removed later for MM38) 4 x Exocet MM38 SSM launcher (added later) 2 x Bofors 40mm AA guns 1 x 305 mm 4-tube ASW mortar 2 x 550mm triple torpedo tubes for Type L5 heavy-weight torpedoes Systems: DRBV-22A air/surface search radar DRBC-32C fire control radar DUBA-3 sonar SQS-17 sonar Aviation: none |
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The Commandant Rivière class was a class of frigates built for the
French Navy in the late 1950s and early 1960s. Labeled
"aviso-escorteur" (fr: "sloop-escort"), they were designed to
perform the role of overseas patrol in peacetime and anti-submarine
escort in wartime. This vessel class is named after the French Navy
officer Henri Rivière (1827-83). The main gun armament of the Commandant Rivière class consisted of three of the new French 100-millimetre (4 in) guns, with a single turret located forward and two turrets aft. These water-cooled automatic dual-purpose guns could fire a 13.5-kilogram (30 lb) shell at an effective range of 12,000 metres (39,000 ft) against surface targets and 6,000 m (20,000 ft) against aircraft at a rate of 60 rounds per minute. A quadruple 305 mm (12 in) anti-submarine mortar was fitted in 'B' position, aft of the forward gun and in front of the ship's superstructure, capable of firing a 230 kg (510 lb) depth charge to 3,000 m (9,800 ft) or in the shore bombardment role, a 100 kg (220 lb) projectile to 6,000 m (20,000 ft). Two triple torpedo tubes were fitted for anti-submarine torpedoes, while the ship's armament was completed by two 30 mm (1.2 in) Hotchkiss HS-30 cannon. The ships had accommodation for an 80-man commando detachment with two fast landing boats, each capable of landing 25 personnel. While the previous French frigates of the Le Corse and Le Normand classes were powered by steam turbines, because a long-range was required for the overseas colonial role of the ships, the class was instead fitted with a 16,000-brake-horsepower (12,000 kW) two-shaft diesel powerplant, capable of propelling the ship at a speed of 26 knots (48 km/h; 30 mph), although 26.6 knots (49.3 km/h; 30.6 mph) was reached during trials. Two ships of the class were fitted with modified power plants. Commandment Bory was powered by free-piston engines driving gas turbines, although it was refitted with a conventional diesel installation in 1974-1975, while Balney was fitted with an experimental CODAG (combined diesel and gas) installation, with a 11,500 hp (8,600 kW) and two 3,600 bhp (2,700 kW) diesel engines driving a single shaft. The CODAG arrangement took up less space, allowing 100 tons more fuel to be carried and giving a range of 13,000 nautical miles (24,000 km; 15,000 mi) at 10 knots (19 km/h; 12 mph). Balny omitted one 100 mm gun turret to accommodate the revised machinery. The first of the class, Victor Schœlcher entered service in October 1962, with all but one of the class following in the next 27 months. The exception was the CODAG powered Balny, which although launched in 1962 and completed in 1964, did not commission until 1970, being employed as a trials ship in the meantime. Commandant Bourdais was used for fishery protection in the North Atlantic from 1963 to 1972, while several of the ships of the class were used as training ships, including Victor Schœlcher (1961-1973) and Commandant Bourdais. In the 1970s, all except Balny had one 100 mm turret replaced by four MM 38 Exocet anti-ship missile launchers, while several of the ships had their 30 mm cannon replaced by Bofors 40 mm (1.6 in) guns. In 1984-1985, Commandant Rivière was converted to a sonar-trials ship. The ship's armament was replaced by a single 40 mm Bofors gun and two 12.7 mm (0.50 in) machine guns, while the ship's stern was rebuilt to accommodate a hoist for a variable depth sonar, which was used to test various active and passive towed array sonars. All French units were decommissioned in the early 1990s, save for three frigates that were sold to the Uruguayan Navy. source: wikipedia (11/20) > An aviso is a French kind of combat-capable ships, smaller in size than a corvette, but greater than patrol ships. |
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 F 726 FS Commandant Bory  F 726 FS Commandant Bory  4 x MM38 Exocet SSM missile launcher / 100mm Model 53 gun  F 726 FS Commandant Bory  F 726 FS Commandant Bory  F 726 FS Commandant Bory  F 726 FS Commandant Bory  F 726 FS Commandant Bory  F 726 FS Commandant Bory  F 726 FS Commandant Bory  F 728 FS Doudart de Lagree  F 728 FS Doudart de Lagree  F 729 FS Balny  F 729 FS Balny  F 729 FS Balny  F 729 FS Balny  F 729 FS Balny F 749 Enseigne de vaisseau Henry |
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